20647813

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 23310720

約数和(自身を除く): 2662907

約数列:

[1, 19, 23, 37, 437, 703, 851, 1277, 16169, 24263, 29371, 47249, 558049, 897731, 1086727, 20647813]

約数ペア:

[(1, 20647813), (19, 1086727), (23, 897731), (37, 558049), (437, 47249), (703, 29371), (851, 24263), (1277, 16169)]